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lb Given a 3 x 3 matrix in terms of a scalar c and that det(A) = 8, find the value(s) of c if 2 -1 A = c- 2 3 c+7 lc Given that 2 log, (r+15) - log, r 6. (a) Show that 22 - 34x + 225 = 0 (b) Hence or otherwise, solve the equation 2 log2 (r+ 15)- log2 r = 6.

lb Given a 3 x 3 matrix in terms of a scalar c and that det(A) = 8, find the value(s) of c if 2 -1 A = c- 2 3 c+7 lc Given that 2 log, (r+15) - log, r 6. (a) Show that 22 - 34x + 225 = 0 (b) Hence or otherwise, solve the equation 2 log2 (r+ 15)- log2 r = 6.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Solve question 1b and 1c respectively

lb Given a 3 x 3 matrix in terms of a scalar c and that det(A) = 8 , find the value(s) of c if 2 -1 3 A 2 4 C - 2 3 c+7 1c Given that 2 log2 (x+ 15) - log, r (a) Show that x2 – 34x + 225 = (b) Hence or otherwise, solve the equation 2 log, (x + 15) – log, a 6.
Transcribed Image Text:lb Given a 3 x 3 matrix in terms of a scalar c and that det(A) = 8 , find the value(s) of c if 2 -1 3 A 2 4 C - 2 3 c+7 1c Given that 2 log2 (x+ 15) - log, r (a) Show that x2 – 34x + 225 = (b) Hence or otherwise, solve the equation 2 log, (x + 15) – log, a 6.
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